The growth of global fish harvests in the last 20 years have mostly been due to increases in
A) aquaculture.
B) the major rivers of the world.
C) freshwater capture fisheries.
D) saltwater capture fisheries.
A
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Large terrestrial regions with similar climate, soil, plants, and animals are called
a. Ecosystems b. Communities c. Populations d. Biomes e. Niches
Based on the principle of Cross-Cutting Relations, which of the following statements are right?
a. If one geologic feature cuts across another, the feature that has been cut is younger b. Younger features cut older ones c. Cross cutting relations do not provide directly the relative age d. If a fault cuts across and displaces layers of sedimentary rock, then the fault must be younger than the layers. e. Both b and d
Terrorism is NOT
A) a systematic use of violence by a group to create fear or coerce a government into actions it would not have taken. B) a government imposing economic sanctions followed by a bombing strategy to coerce another government into behaving differently. C) an attempt to reach objectives of the group through bombing, kidnapping, hijacking, or assassinations. D) viewing violence as means to publicizing grievances. E) attacks largely aimed at ordinary people rather than military targets.
Which of the following pollutants act as greenhouse gases?
A. CO, NO B. CO2, CH4 C. SO3, NO2 D. SO3, NO2, O3